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科大讯飞徐景明：从语音交互到人工智能 - 资讯 - 清泛网 - 专注C/C++及内核技术
...术，科大讯飞推出从大型电信级应用到小型嵌入式应用，覆盖从电信、金融等行业到企业和消费者用户，从手机到车载，从家电到玩具等产品。
从电信、IT业起步，嵌入式智能语音软件的应用，下一步的重点是智能家居、智能...
婚庆O2O：领跑的企业也就只走到B轮 - 资讯 - 清泛网 - 专注C/C++及内核技术
...？我给你介绍个对象吧！啥时候结婚呐？年薪多少买房了吗？你看隔壁小王都有俩娃了，ba la ba la
俩娃你M。彷徨着彷徨着，春节的脚步近了，七大姑八大姨的脚步也近了，单身的别慌、未婚也别紧张，不就是结婚这点破事儿嘛...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...
我们还创建了 SimpleOnScaleGestureListener 的适当子类。 这将覆盖 onScale 的默认事件处理，以调用块 Scale 事件处理程序：
public class MyOnScaleGestureListener extends SimpleOnScaleGestureListener {
// 我们覆盖普通 SimpleOnScaleGestureListener 的事件...
What are file descriptors, explained in simple terms?
.... Some of the values of TYPEs are:
REG – Regular File
DIR – Directory
FIFO – First In First Out
But all file descriptors are
CHR – Character special file (or character device file)
Now, we can identify the File Descriptors for STDIN, STDOUT and STDERR easy with lsof -p PID, or we ca...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
... performance and correctness of SC. For example, in certain architectures, FIFO write buffers are used by each core to hold the results of committed (retired) stores before writing the results to the caches. This optimization enhances performance but violates SC. The write buffer hides the latency o...
Linux: compute a single hash for a given folder & contents?
... non standard file names
How to proceed with files that are sockets, pipes/FIFOs, block devices, char devices? Must hash them as well?
Don't update the access time of any entry while traversing because this will be a side effect and counter-productive(intuitive?) for certain use cases.
This is wh...
Synchronization vs Lock
...
The main difference is fairness, in other words are requests handled FIFO or can there be barging? Method level synchronization ensures fair or FIFO allocation of the lock. Using
synchronized(foo) {
}
or
lock.acquire(); .....lock.release();
does not assure fairness.
If you have lots ...
How can you diff two pipelines in Bash?
...diff to read one input from STDIN, and use the named pipe as the other:
mkfifo file1_pipe.txt
foo|bar > file1_pipe.txt && baz | quux | diff file1_pipe.txt - && rm file1_pipe.txt
Note that you can only pipe one output to multiple inputs with the tee command:
ls *.txt | tee /d...
AppInventor2关闭屏幕时，如何让计时器继续工作？ - App应用开发 - 清泛IT...
转：AppInventor2关闭屏幕时，如何让计时器继续工作？
这是一个很好的问题，通过查看文档可以看到有一个“一直计时”属性，默认是勾选的：
这个属性就是用来控制App后台运行/屏幕关闭时，计时器是否继续工作的。
经...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...通用户不能登录。回想起来，把原始OPENSSH5.3的配置文件覆盖到本机的配置文件 sshd_config . 覆盖完成，登录正常
以下是配置文件的内容，以免忘记，先拷贝出来吧
# $OpenBSD: sshd_config,v 1.93 2014/01/10 05:59:19 djm Exp $
# Thi...